The Piston,main Landing Gear, cataloged under National Stock Number 1620-01-018-4024, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Commercial. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-018-4024 |
| Primary Part Number | 60-4330 |
| Item Name | Piston,main Landing Gear |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL ROD MIL-S-6050,5.840 IN. LG,1.242 IN. OD IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 60-4330 | Machine Specialties, Llc (USA) |
| 60-4330 PRIMARY | The Boeing Company Div Commercial (USA) |
| 60-4330 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 60-4330 | 5/2 Secondary reference U.S. Government activity |
NSN 1620-01-018-4024 is a Piston,main Landing Gear, manufactured by The Boeing Company Div Commercial, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-018-4024 has 3 manufacturer part numbers on file: 60-4330 (Machine Specialties, Llc), 60-4330 (The Boeing Company Div Commercial), 60-4330 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-592-3012. Verify interchangeability with system specifications before substitution.
Key specifications for 60-4330: General Characteristics Item Description: STEEL ROD MIL-S-6050,5.840 IN. LG,1.242 IN. OD IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1620-01-018-4024 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.